Journal of Fluids Engineering: Recent submissions

Now showing items 4921-4940 of 9024

    • An Aerodynamic Shroud for Automotive Cooling Fans 

      Scott C. Morris; John F. Foss (The American Society of Mechanical Engineers (ASME), 2001)
      Results from an experimental investigation of an aerodynamic fan shroud are reported. The device was motivated by the relatively large (2.5 cm) tip clearance required in automotive cooling fans ...

    • Spatially Resolved Temperature Measurements in a Liquid Using Laser Induced Phosphorescence 

      S. L. Thomson; Research Assistant; D. Maynes (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes recent advances in the development of a temperature measurement methodology based on phosphorescence of a tracer molecule in a liquid. The methodology represents an extension ...

    • Hydraulic Analysis of a Reversible Fluid Coupling 

      Charles N. McKinnon; Danamichele Brennen; Christopher E. Brennen (The American Society of Mechanical Engineers (ASME), 2001)
      This paper presents a hydraulic analysis of a fluid coupling which is designed to operate either in a forward or reverse mode when a set of turning vanes are respectively withdrawn or inserted ...

    • Hydraulic Performance of a Mixed-Flow Pump: Unsteady Inviscid Computations and Loss Models 

      B. P. M. van Esch; N. P. Kruyt (The American Society of Mechanical Engineers (ASME), 2001)
      The hydraulic performance of an industrial mixed-flow pump is analyzed using a three-dimensional potential flow model to compute the unsteady flow through the entire pump configuration. Subsequently, ...

    • Numerical Simulation of Grinding and Drying Performance of a Fluid-Energy Lignite Mill 

      J. Anagnostopoulos; G. Bergeles; B. Epple; P. Stegelitz (The American Society of Mechanical Engineers (ASME), 2001)
      A numerical algorithm is developed for a detailed 3D simulation of the two-phase flow field in fluid-energy mills used for pulverization and drying of fossil fuels in large power plants. The ...

    • Theoretical Analysis of Transitional and Partial Cavity Instabilities 

      Satoshi Watanabe; Yoshinobu Tsujimoto; Akinori Furukawa (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes a new time marching calculation of blade surface cavitation based on a linearized free streamline theory using a singularity method. In this calculation, closed cavity models ...

    • Visualization and Measurement of Automotive Electrostatic Rotary-Bell Paint Spray Transfer Processes 

      Kyoung-Su Im; Research Associate; Nasy Sankagiri; Researcher; Thomas Loch; Sr. Tech. Specialist; Hossein Nivi; Manager; Ming-Chia Lai; Yi Liu; Researcher (The American Society of Mechanical Engineers (ASME), 2001)
      In order to improve the transfer efficiency and finish quality in automotive spray painting, a better understanding of the paint spray structure and transfer processes of the electrostatic rotary ...

    • Simulation and Analysis of a Magnetoelastically Driven Micro-Pump 

      A. Beskok; A. R. Srinivasa (The American Society of Mechanical Engineers (ASME), 2001)
      The operation of a micro-pump system driven by a magnetoelastic polymeric membrane developed at Texas A&M University is analyzed by numerical simulations. Unsteady, incompressible Navier-Stokes ...

    • LDV Measurements of the Flow Field in the Nozzle Region of a Confined Double Annular Burner 

      Francois Schmitt; Birinchi K. Hazarika; Charles Hirsch (The American Society of Mechanical Engineers (ASME), 2001)
      A database for the complex turbulent flow of a confined double annular burner in cold conditions is presented here. In the region close to the exit of the annular nozzles LDV measurements ...

    • The Development of the Water Jet Scalpel With Air Pressure 

      Yang Jian; Sun Jiajun (The American Society of Mechanical Engineers (ASME), 2001)
      The development of a new kind of air-pressurized water jet scalpel is discussed, including its design, assembly, and adjustment, the choice of optimum parameters, results of animal experiments, ...

    • Fluid Flow Phenomena in Materials Processing—The 2000 Freeman Scholar Lecture 

      Yogesh Jaluria (The American Society of Mechanical Engineers (ASME), 2001)
      There has been an explosive growth in the development of new materials and processing techniques in recent years to meet the challenges posed by new applications arising in electronics, ...

    • Effects of Guide-Vane Number in a Three-Dimensional 60-Deg Curved Side-Dump Combustor Inlet 

      Tong-Miin Liou; Chin-Chun Liao; Thermofluids Analysis Assistant Manager; Hsin-Li Lee; Ph.D. Candidate (The American Society of Mechanical Engineers (ASME), 2001)
      Three-dimensional flowfields in a 60-deg curved combustor inlet duct of rectangular cross-section with and without guide vanes were measured using Laser-Doppler velocimetry for the longitudinal, ...

    • LDA Measurements of Feed Annulus Effects on Combustor Liner Port Flows1 

      Adrian Spencer; James J. McGuirk (The American Society of Mechanical Engineers (ASME), 2001)
      A detailed LDA experimental study is reported on the effect of variations in feed annulus conditions on port flow jet characteristics. The data are relevant to primary and dilution jet flows ...

    • Fully-Developed Laminar Flow in Sinusoidal Grooves 

      Scott K. Thomas; Kirk L. Yerkes; Richard C. Lykins (The American Society of Mechanical Engineers (ASME), 2001)
      The flow of a constant property fluid through a sinusoidal groove has been analyzed. A numerical solution of the conservation of mass and momentum equations for fully developed flow is presented. ...

    • Flow Filling a Curved Pipe 

      H. Michallet; C. Mathis; P. Maïssa; F. Dias (The American Society of Mechanical Engineers (ASME), 2001)
      A small scale experiment was designed to study the propagation of the front of a viscous fluid filling a curved pipe. Several Newtonian fluids with different viscosities and a non-Newtonian ...

    • Effect of Body Aspect Ratio and Tank Size on the Hydrodynamics of a Rotating Bluff Body During the Initial Spin-Up Period 

      D. Maynes; M. Butcher; Research Assistant (The American Society of Mechanical Engineers (ASME), 2001)
      Hydrodynamic torque measurements on rotating bluff bodies are presented for 32 different bodies and three different sized tanks for Reynolds numbers in the range 104–105. The present results ...

    • Two-Equation Turbulence Modeling for Impeller Stirred Tanks 

      Raymond M. Jones; Albert D. Harvey; Sumanta Acharya (The American Society of Mechanical Engineers (ASME), 2001)
      In this study, the predictive performance of six different two-equation turbulence models on the flow in an unbaffled stirred tank has been investigated. These models include the low Reynolds ...

    • Flow Investigation Around a V-Sector Ball Valve 

      P. Merati; Professor and Chair; R. B. Erickson; M. J. Macelt; Research Assistant (The American Society of Mechanical Engineers (ASME), 2001)
      Experimental and computational methods were used to study the structure and behavior of the shedded vortices around a V-ball valve. Strouhal frequency for shedded vortices around the valve over ...

    • Hydrodynamic Focusing for a Micromachined Flow Cytometer 

      Gwo-Bin Lee; Chen-I Hung; Guan-Ruey Huang; Bao-Herng Hwei; Senior Students; Bin-Jo Ke; Hui-Fang Lai; Senior Students (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes hydrodynamic focusing inside a micromachined flow cytometer. Flow cytometry is a process whereby cells are analyzed and sorted based on hydrodynamic focusing phenomenon and ...

    • Numerical Solution of Incompressible Unsteady Flows in Turbomachinery 

      L. He; K. Sato (The American Society of Mechanical Engineers (ASME), 2001)
      A three-dimensional incompressible viscous flow solver of the thin-layer Navier-Stokes equations was developed for the unsteady turbomachinery flow computations. The solution algorithm for the ...